[INFO] updating cached repository Aleru/rust-algorithims [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/Aleru/rust-algorithims [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/Aleru/rust-algorithims" "work/ex/pr-60932/sources/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4/gh/Aleru/rust-algorithims"` [INFO] [stderr] Cloning into 'work/ex/pr-60932/sources/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4/gh/Aleru/rust-algorithims'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Aleru/rust-algorithims" "work/ex/pr-60932/sources/try#097e26225c5cc28d3042ad4c80eac7c488f78ee7/gh/Aleru/rust-algorithims"` [INFO] [stderr] Cloning into 'work/ex/pr-60932/sources/try#097e26225c5cc28d3042ad4c80eac7c488f78ee7/gh/Aleru/rust-algorithims'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 0ff19d9491ba09166ff96b92279d7fc27f09febb [INFO] sha for GitHub repo Aleru/rust-algorithims: 0ff19d9491ba09166ff96b92279d7fc27f09febb [INFO] validating manifest of Aleru/rust-algorithims on toolchain master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+548add7f61bfcbe3bea3f5ccefb53c84da8fefe4-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of Aleru/rust-algorithims on toolchain try#097e26225c5cc28d3042ad4c80eac7c488f78ee7 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+097e26225c5cc28d3042ad4c80eac7c488f78ee7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing Aleru/rust-algorithims [INFO] finished frobbing Aleru/rust-algorithims [INFO] frobbed toml for Aleru/rust-algorithims written to work/ex/pr-60932/sources/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4/gh/Aleru/rust-algorithims/Cargo.toml [INFO] started frobbing Aleru/rust-algorithims [INFO] finished frobbing Aleru/rust-algorithims [INFO] frobbed toml for Aleru/rust-algorithims written to work/ex/pr-60932/sources/try#097e26225c5cc28d3042ad4c80eac7c488f78ee7/gh/Aleru/rust-algorithims/Cargo.toml [INFO] crate Aleru/rust-algorithims already has a lockfile, it will not be regenerated [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+548add7f61bfcbe3bea3f5ccefb53c84da8fefe4-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+097e26225c5cc28d3042ad4c80eac7c488f78ee7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking Aleru/rust-algorithims against try#097e26225c5cc28d3042ad4c80eac7c488f78ee7 for pr-60932 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60932/worker-6/try#097e26225c5cc28d3042ad4c80eac7c488f78ee7:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60932/sources/try#097e26225c5cc28d3042ad4c80eac7c488f78ee7/gh/Aleru/rust-algorithims:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+097e26225c5cc28d3042ad4c80eac7c488f78ee7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 6cf72fc03a52fe2eaf7abe2662a9e299145b4b3ec69c4a92d4312094a0d90340 [INFO] running `"docker" "start" "-a" "6cf72fc03a52fe2eaf7abe2662a9e299145b4b3ec69c4a92d4312094a0d90340"` [INFO] [stderr] Checking stnalgo v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::fs` [INFO] [stderr] --> src/main.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::fs; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs` [INFO] [stderr] --> src/main.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::fs; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:22:23 [INFO] [stderr] | [INFO] [stderr] 22 | fn sort_and_count_inv(mut v1: Vec) -> VecAndCount{ [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:23:6 [INFO] [stderr] | [INFO] [stderr] 23 | let mut n = v1.len(); // number of elements in passed vec [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:32:7 [INFO] [stderr] | [INFO] [stderr] 32 | let mut left_inv = sort_and_count_inv(v1[0..n/2].to_vec()); // recursively sort left half of the array [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:33:7 [INFO] [stderr] | [INFO] [stderr] 33 | let mut right_inv = sort_and_count_inv(v1[n/2..n].to_vec()); // recursively right half of hte array [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:34:7 [INFO] [stderr] | [INFO] [stderr] 34 | let mut merged_inv = merge_and_count_split_inv(left_inv.vec,right_inv.vec); // [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function `build_VecAndCount` should have a snake case name [INFO] [stderr] --> src/main.rs:14:4 [INFO] [stderr] | [INFO] [stderr] 14 | fn build_VecAndCount(vec: Vec, count: usize)->VecAndCount{ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `build_vec_and_count` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:22:23 [INFO] [stderr] | [INFO] [stderr] 22 | fn sort_and_count_inv(mut v1: Vec) -> VecAndCount{ [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:23:6 [INFO] [stderr] | [INFO] [stderr] 23 | let mut n = v1.len(); // number of elements in passed vec [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:32:7 [INFO] [stderr] | [INFO] [stderr] 32 | let mut left_inv = sort_and_count_inv(v1[0..n/2].to_vec()); // recursively sort left half of the array [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:33:7 [INFO] [stderr] | [INFO] [stderr] 33 | let mut right_inv = sort_and_count_inv(v1[n/2..n].to_vec()); // recursively right half of hte array [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:34:7 [INFO] [stderr] | [INFO] [stderr] 34 | let mut merged_inv = merge_and_count_split_inv(left_inv.vec,right_inv.vec); // [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function `build_VecAndCount` should have a snake case name [INFO] [stderr] --> src/main.rs:14:4 [INFO] [stderr] | [INFO] [stderr] 14 | fn build_VecAndCount(vec: Vec, count: usize)->VecAndCount{ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `build_vec_and_count` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.76s [INFO] running `"docker" "inspect" "6cf72fc03a52fe2eaf7abe2662a9e299145b4b3ec69c4a92d4312094a0d90340"` [INFO] running `"docker" "rm" "-f" "6cf72fc03a52fe2eaf7abe2662a9e299145b4b3ec69c4a92d4312094a0d90340"` [INFO] [stdout] 6cf72fc03a52fe2eaf7abe2662a9e299145b4b3ec69c4a92d4312094a0d90340